<div class="pos-wrap">
  <nav>
    <div>10秒钟定制职位</div>
    <div>
      <button>去登录</button>
    </div>
  </nav>
  <div id="pos-list">
    <ul>
      <li class="head">
        <img src="/assets/images/arrow.png"/>
        <b>下拉刷新...</b>
      </li>
      
      <li class="foot">
        <img src="/assets/images/arrow.png"/>
        <b>上拉加载更多...</b>
      </li>
    </ul>
  </div>
</div>